.b-checkbox--outer {
    white-space: nowrap;
    cursor: pointer;
    outline: none;
    display: inline-block;
    line-height: 1;
    position: relative;
    vertical-align: middle;
  }
  
  .b-checkbox--inner {
    display: inline-block;
    position: relative;
    border: 1px solid #dcdfe6;
    border-radius: 2px;
    box-sizing: border-box;
    width: 14px;
    height: 14px;
    background-color: #fff;
    z-index: 1;
    transition: border-color .25s cubic-bezier(.71, -.46, .29, 1.46), background-color .25s cubic-bezier(.71, -.46, .29, 1.46);
  }
  
  .b-checkbox--inner:after {
    box-sizing: content-box;
    content: "";
    border: 1px solid #fff;
    border-left: 0;
    border-top: 0;
    height: 7px;
    left: 4px;
    position: absolute;
    top: 1px;
    transform: rotate(45deg) scaleY(0);
    width: 3px;
    transition: transform .15s ease-in .05s;
    transform-origin: center;
  }
  
  .b-checkbox--inner.is-checked {
    background-color: #409eff;
    border-color: #409eff;
  }
  
  .b-checkbox--inner.is-checked:after {
    transform: rotate(45deg) scaleY(1);
  }
  
  .b-checkbox-native {
    opacity: 0;
    display: none;
  }
  
  .b-checkbox__label {
    margin-left: -10px;
    display: inline-block;
    line-height: 19px;
    font-size: 14px;
  }
  
  .b-checkbox {
    color: #606266;
    // font-weight: 500;
    margin-right: 10px;
    cursor: pointer;
  }